Update README (#81)

Author: jbagga

README.md

@@ -5,4 +5,6 @@ The jQuery Unobtrusive Validation library complements jQuery Validation by addin
 
 This project is part of ASP.NET Core. You can find samples, documentation and getting started instructions for ASP.NET Core at the [Home](https://github.com/aspnet/home) repo.
 
-`jquery.validate.unobtrusive.min.js` must be kept up to date with `jquery.validate.unobtrusive.js`, this can easily be done by running `gulp` before committing.
+Remember to make your changes to only the src file. Use ".\build.cmd" to automatically generate the js file in dist directory, minify the js file, create a .nupkg and change the version in the package.json if needed.
+
+To stage for a release, update the "version.props" file and run ".\build.cmd" (see ReleaseNotes [here](https://github.com/aspnet/jquery-validation-unobtrusive/wiki/Release-checklist)).